function MouseOver(dest, normal, highlight)
{
	this.dest = dest;
	this.normal = new Image();
	this.normal.src = normal;
	this.highlight = new Image();
	this.highlight.src = highlight;
	this.lit = false;
}

MouseOver.prototype.toggle = function()
{
	if (this.lit) {
		document.images[this.dest].src = this.normal.src;
		this.lit = false;
	} else {
		document.images[this.dest].src = this.highlight.src;
		this.lit = true;
	}
}

var	WerbefotoMouseOver = new MouseOver("WerbefotoImage", "../images/werbefoto.png", "../images/werbefoto_hl.png");
var PortraitMouseOver = new MouseOver("PortraitImage", "../images/portrait.png", "../images/portrait_hl.png");
var ReportagenMouseOver = new MouseOver("ReportagenImage", "../images/reportagen.png", "../images/reportagen_hl.png");
var InfoMouseOver = new MouseOver("InfoImage", "../images/info.png", "../images/info_hl.png");
var ReferenzenMouseOver = new MouseOver("ReferenzenImage", "../images/referenzen.png", "../images/referenzen_hl.png");
var CatBackMouseOver = new MouseOver("CatBackImage", "../images/navbtn1.jpg", "../images/navbtn1_hl.jpg");
var CatFwdMouseOver = new MouseOver("CatFwdImage", "../images/navbtn4.jpg", "../images/navbtn4_hl.jpg");
var BackMouseOver = new MouseOver("BackImage", "../images/navbtn2.jpg", "../images/navbtn2_hl.jpg");
var FwdMouseOver = new MouseOver("FwdImage", "../images/navbtn3.jpg", "../images/navbtn3_hl.jpg");
var FirstMouseOver = new MouseOver("FirstImage", "../images/navbtn5.jpg", "../images/navbtn5_hl.jpg");
var LastMouseOver = new MouseOver("LastImage", "../images/navbtn6.jpg", "../images/navbtn6_hl.jpg");